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QB3000 gas alarm detecting controller is a kind of multi-points gas alarm detector designed and produced by our company to detect the density in the air; it can work together with various gas detector, is easy to fix; it can detect 16 channel analog signals and 40 channel digital signals, display and control public alarming. This system adopts 32 digit embedded micro processor as controlling unit, imported high-precision sensor as detect transmitter; it has high sensitivity and fast response.
This system applies to metallurgy, petrol, petrifaction, chemistry, light industry, coking, municipal administration, gas, pharmaceutical, sewage dealing and many other special industry and field that need proofing for fire, explosion, and toxic gas leakage.
◆ Embedded 32 digit high speed micro process system, window operation interface, easy operation
◆ 5.7 inches colored Chinese liquid crystal display makes the operation more intuitional.
◆ It has 16 channels of 4-20mA analog signals input, and 1-40 channels RS485 digit signals input, realized the detection, display and alarm control for the imitated channels and digit signal channels.
◆ Intelligent detector that can manage and detect various different gas in different detect scope and units.
◆ the upper and low limits of the alarm point in each channel can be set separately
◆ Intelligent system is easy to correct the zero setting online
◆ It can search the existing detector in the system
◆ 6 channels of passive relay outputs by contacts, linkage relationship is programmable
◆ Built-in enquiry function for the 1000 pieces of alarm, failures history
◆ Alarm erasure and recovering function.
Technical Parameters
◆ Fix type: wall-mounted
◆ Density unit: %LEL,PPM,%VOL
◆ Detect precision: ±3%F.S
◆ Respond time: ≤30s
◆ Display method: 5.7 inches colored liquid crystal real time display
◆ Alarm method: indicates the alarm or failure conditions in sounds
◆ Signal output: passive contact capacity 2A/AC220V
◆ Working method: continuously
◆ Environment conditions: temperature -10℃~50℃ humidity ≤95%RH
◆ Source: AC220V±15%, 50Hz
◆ Standby source: 7.5AH UPS
◆ Power: ≤30W
◆ Size: 350mm×420mm×100mm
◆ Transfer distance: ≤1000m
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